[INFO] fetching crate mcp-hub 0.1.0... [INFO] checking mcp-hub-0.1.0 against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-4 [INFO] extracting crate mcp-hub 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate mcp-hub 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate mcp-hub 0.1.0 [INFO] tweaked toml for crates.io crate mcp-hub 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcp-hub 0.1.0 on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mcp-hub 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0145fea6e6f5c7c04f6d38cd94546e6f64efe43bb423eae00ba1947932d0c295 [INFO] running `Command { std: "docker" "start" "-a" "0145fea6e6f5c7c04f6d38cd94546e6f64efe43bb423eae00ba1947932d0c295", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0145fea6e6f5c7c04f6d38cd94546e6f64efe43bb423eae00ba1947932d0c295", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0145fea6e6f5c7c04f6d38cd94546e6f64efe43bb423eae00ba1947932d0c295", kill_on_drop: false }` [INFO] [stdout] 0145fea6e6f5c7c04f6d38cd94546e6f64efe43bb423eae00ba1947932d0c295 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4dfdac160e46b98940bc76db6c0ad5ed669108b63613e49e1abe080209eb015 [INFO] running `Command { std: "docker" "start" "-a" "b4dfdac160e46b98940bc76db6c0ad5ed669108b63613e49e1abe080209eb015", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Checking hashbrown v0.15.4 [INFO] [stderr] Checking bitflags v2.9.1 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking sync_wrapper v1.0.2 [INFO] [stderr] Compiling itertools v0.14.0 [INFO] [stderr] Checking http-body-util v0.1.3 [INFO] [stderr] Compiling cc v1.2.27 [INFO] [stderr] Compiling schemars v0.8.22 [INFO] [stderr] Checking ahash v0.8.12 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking raw-cpuid v11.5.0 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking winnow v0.7.11 [INFO] [stderr] Checking toml_write v0.1.2 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking hdrhistogram v7.5.4 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking metrics v0.24.2 [INFO] [stderr] Checking ordered-float v4.6.0 [INFO] [stderr] Checking sketches-ddsketch v0.3.0 [INFO] [stderr] Checking metrics-core v0.5.2 [INFO] [stderr] Checking notify-types v2.0.0 [INFO] [stderr] Checking humantime v2.2.0 [INFO] [stderr] Compiling rustix v1.0.7 [INFO] [stderr] Checking float-cmp v0.10.0 [INFO] [stderr] Checking linux-raw-sys v0.9.4 [INFO] [stderr] Checking anstyle v1.0.11 [INFO] [stderr] Checking metrics-exporter-log v0.4.0 [INFO] [stderr] Checking indexmap v2.10.0 [INFO] [stderr] Checking parking_lot_core v0.9.11 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking signal-hook-registry v1.4.5 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking dirs-sys v0.5.0 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.25 [INFO] [stderr] Checking dirs v6.0.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking inotify v0.11.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking shellexpand v3.1.1 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand_xoshiro v0.7.0 [INFO] [stderr] Checking notify v8.0.0 [INFO] [stderr] Checking rand v0.9.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling libmimalloc-sys v0.1.43 [INFO] [stderr] Checking quanta v0.12.6 [INFO] [stderr] Checking metrics-util v0.20.0 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking bstr v1.12.0 [INFO] [stderr] Checking predicates v3.1.3 [INFO] [stderr] Checking tempfile v3.20.0 [INFO] [stderr] Checking assert_cmd v2.0.17 [INFO] [stderr] Checking mimalloc v0.1.47 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Compiling async-trait v0.1.88 [INFO] [stderr] Compiling prost-derive v0.13.5 [INFO] [stderr] Compiling async-stream-impl v0.3.6 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling rmcp-macros v0.1.5 [INFO] [stderr] Compiling schemars_derive v0.8.22 [INFO] [stderr] Checking async-stream v0.3.6 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking pin-project v1.1.10 [INFO] [stderr] Checking failsafe v1.3.0 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Checking prost v0.13.5 [INFO] [stderr] Checking thiserror v2.0.12 [INFO] [stderr] Checking prost-types v0.13.5 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking axum-core v0.4.5 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking tokio-util v0.7.15 [INFO] [stderr] Checking tokio-stream v0.1.17 [INFO] [stderr] Checking tokio-retry v0.3.0 [INFO] [stderr] Checking h2 v0.4.10 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking toml_datetime v0.6.11 [INFO] [stderr] Checking serde_spanned v0.6.9 [INFO] [stderr] Checking chrono v0.4.41 [INFO] [stderr] Checking toml_edit v0.22.27 [INFO] [stderr] Checking axum v0.7.9 [INFO] [stderr] Checking rmcp v0.1.5 [INFO] [stderr] Checking toml v0.8.23 [INFO] [stderr] Checking hyper v1.6.0 [INFO] [stderr] Checking hyper-util v0.1.14 [INFO] [stderr] Checking hyper-timeout v0.5.2 [INFO] [stderr] Checking tonic v0.12.3 [INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 39 | / trait TransferObject: [INFO] [stdout] 40 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 57 | type Req: TransferObject; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 39 | / trait TransferObject: [INFO] [stdout] 40 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 58 | type Resp: TransferObject; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 39 | / trait TransferObject: [INFO] [stdout] 40 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 59 | / type Not: TryInto [INFO] [stdout] 60 | | + From [INFO] [stdout] 61 | | + TransferObject; [INFO] [stdout] | |________________________^ can't leak private trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 39 | / trait TransferObject: [INFO] [stdout] 40 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 62 | type PeerReq: TransferObject; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 39 | / trait TransferObject: [INFO] [stdout] 40 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 63 | type PeerResp: TransferObject; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 39 | / trait TransferObject: [INFO] [stdout] 40 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 64 | / type PeerNot: TryInto [INFO] [stdout] 65 | | + From [INFO] [stdout] 66 | | + TransferObject; [INFO] [stdout] | |________________________^ can't leak private trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 39 | / trait TransferObject: [INFO] [stdout] 40 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 68 | type Info: TransferObject; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0446]: private trait `service::TransferObject` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rmcp-0.1.5/src/service.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 39 | / trait TransferObject: [INFO] [stdout] 40 | | std::fmt::Debug + Clone + serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static [INFO] [stdout] | |____________________________________________________________________________________________________- `service::TransferObject` declared as private [INFO] [stdout] ... [INFO] [stdout] 69 | type PeerInfo: TransferObject; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0446`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rmcp` (lib) due to 8 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b4dfdac160e46b98940bc76db6c0ad5ed669108b63613e49e1abe080209eb015", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4dfdac160e46b98940bc76db6c0ad5ed669108b63613e49e1abe080209eb015", kill_on_drop: false }` [INFO] [stdout] b4dfdac160e46b98940bc76db6c0ad5ed669108b63613e49e1abe080209eb015